Drain



FIG. 1 is a perspective view of a drain;

FIG. 2 is an enlarged perspective view of the drain shown encompassed in box 2 shown in FIG. 1;

FIG. 3 is an enlarged top perspective view of the drain shown encompassed in box 3 shown in FIG. 1; and,

FIG. 4 is a cross sectional view along the section 4-4 in FIG. 1.

The broken lines of the drain are for the purpose of illustrating portions of the article and form no part of the claimed design. 

CLAIM The ornamental design for a drain, as shown and described. 